US Bridges

S.H. 99 over Turner Tp (I-44) under

Fair

Lincoln County, Oklahoma · 0.5 MI N SH 66 · Structure no. 253450000000000

Built
2000
25 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
2 main spans
Daily traffic
5,700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Turner Tp (I-44) under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 99 over Turner Tp (I-44) under in Lincoln County, Oklahoma. It was built in 2000, so it is 25 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,700 vehicles a day, roughly 15% of them trucks, projected to reach 9,120 by 2042. The structure is 236 ft (71.9 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS.H. 99
CrossesTurner Tp (I-44) under
Location0.5 MI N SH 66
RouteState Highway 99
CountyLincoln County
StateOklahoma
Coordinates35.75773, -96.66272
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span118 ft (36 m)
Deck width59 ft (18 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2022)
Projected traffic9,120 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 99 over Turner Tp (I-44) under built?

It was built in 2000, making it 25 years old in 2025.

What condition is S.H. 99 over Turner Tp (I-44) under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does S.H. 99 over Turner Tp (I-44) under carry?

About 5,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 99 over Turner Tp (I-44) under?

The structure is 236 ft (71.9 m) long with a longest span of 118 ft (36 m) and a deck 59 ft wide.

Who owns S.H. 99 over Turner Tp (I-44) under?

It is owned by the State Highway Agency.